# 打印菱形
#    *
#   ***
#  *****
#   ***
#    *
num = 15
for i in range(1,num+1,2):
    print(("*" * i).center(num))
for i in range(num-2,0,-2):
    print(("*" * i).center(num))

# 打印水仙花数
for i in range(100,1000):
    a = i % 10
    b = i // 10 % 10
    c = i // 100
    if a ** 3 + b ** 3 + c ** 3 == i:
        print(i)

# 打印完数
for i in range(1,100):
    sum = 0
    for j in range(1,i):
        if i % j == 0:
            sum += j
    if sum == i:
        print(i)

# 打印质数
for i in range(1,100):
    for j in range(2,i):
        if i % j == 0:
            break
    else:
        print(i)

# 打印斐波那契数列
num = 50 # int(input("请输入要打印的斐波那契数列的个数："))
a, b = 1, 1
for _ in range(num):
    print(a)
    a, b = b, a + b

# 打印九九乘法表
for i in range(1,10):
    for j in range(1,i+1):
        print(j,"*",i,"=",i*j,"\t",end="")
    print()
